The mall stores are an unusual feat for a new business.
In performance he usually accompanied entirely from memory, considered an unusual feat for an accompanist.
He slept all through the night, an unusual feat for a man of his age.
Here are 10 of the most amazing and unusual feats ever performed by a person's brain.
Making such a stellar comeback after taking a long break was an unusual feat for a middle-aged actress.
Another unusual feat was to pull a hoverbarge on snow, ice and water in 1982.
He is still the only person to achieve this most unusual feat.
According to historians, the unusual feat set by Pipgras is a case unique in major league history.
A strange power permitted him to perform unusual feats in mathematics.
The agency did the commercial in-house without the customary outside producer and director - an unusual feat.
